<template>
  <div class="bg">
    <div class="wrapperBox">
      <div class="background">
        <el-form :model="ruleForm" ref="ruleForm" :rules="rules" class="loginContainer">
          <h3 class="loginTitle">系统登录</h3>
          <el-form-item prop="username">
            <el-input type="text" v-model="ruleForm.username" autocomplete="off" placeholder="请输入姓名"></el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input type="password" v-model="ruleForm.password" autocomplete="off" placeholder="请输入密码"></el-input>
          </el-form-item>
          <el-form-item prop="code">
            <el-input size="normal" type="text" v-model="ruleForm.code"
                      auto-complete="false"
                      placeholder="点击图片更换验证码" style="width:250px;margin-right: 5px"></el-input>
            <img :src="captchaUrl" @click="updateCaptcha"/>
          </el-form-item>
          <!--<el-checkbox class="loginRemember" v-model="checked">记住我</el-checkbox>-->
          <el-button type="primary" style="width: 100%" @click="submitLogin">登录</el-button>
        </el-form>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  name: "Login",
  data() {
    return {
      captchaUrl: '/captcha?time=' + new Date(),
      ruleForm: {
        username: 'admin',
        password: '123456',
        code: ''
      },
      checked: true,
      rules: {
        username: [{
          required: true, message: '请输入用户名', trigger:
              'blur'
        }],
        password: [{
          required: true, message: '请输入密码', trigger:
              'blur'
        }],
        code: [{
          required: true, message: '请输入验证码', trigger:
              'blur'
        }]
      }
    }
  },
  methods: {
    //登录
    submitLogin() {
      this.$refs.ruleForm.validate((valid) => {
        if (valid) {
          this.postRequest('/login', this.ruleForm).then(resp => {
            if (resp) {
              //存储用户token
              const tokenStr = resp.obj.tokenHead + resp.obj.token;
              window.sessionStorage.setItem('tokenStr', tokenStr);
              //页面跳转
              let path = this.$route.query.redirect;
              this.$router.replace((path == '/' || path == undefined) ? '/home' : path)
            }
          })
        } else {
          this.$message.error('请输入所有字段');
          return false;
        }
      })
    },
    updateCaptcha() {
      //验证码
      this.captchaUrl = '/captcha?time=' + new Date();
    }
  }
}
</script>

<style>
.bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  min-height:920px;
  background-color: #f1f1f1;
  margin-top: 0px !important;
  background-image: url(../assets/驯龙高手-崔斯塔娜.jpg);
  background-size: 100% 100%;
}

.loginContainer {
  border-radius: 15px;
  background-clip: padding-box;
  margin: 180px auto;
  width: 350px;
  padding: 15px 35px 15px 35px;
  background: #fff;
  border: 1px solid #eaeaea;
  box-shadow: 0 0 25px #cac6c6;

}

.loginTitle {
  margin: 0 auto 40px auto;
  text-align: center;
  color: #505458;
}

/*.loginRemember {
  text-align: left;
  margin: 0px 0px 15px 0px;
}*/

.el-form-item__content {
  display: flex;
  align-items: center;
}
</style>
